6-Chlorobenzo[d][1,2,3]thiadiazole CAS 23644-01-1
| CAS No. | 23644-01-1 |
| Molecular Formula | C6H3ClN2S |
| Molecular Weight | 170.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 6-Chlorobenzo[d][1,2,3]thiadiazole (C6H3ClN2S) contains a nitrile group, sulfur-containing functionality, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 170.62 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
6-Chlorobenzo[d][1,2,3]thiadiazole (CAS 23644-01-1) is a high-purity analytical reference standard with the molecular formula C6H3ClN2S and a molecular weight of 170.62 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C6H3ClN2S |
| Molecular Weight | 170.62 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chlorobenzo Standards
- 4-Chlorobenzo[c][1,2,5]thiadiazole (CAS 2207-28-5)
- 5-Chlorobenzo[d][1,2,3]thiadiazole (CAS 29241-15-4)
- 7-Chlorobenzo[d][1,2,3]thiadiazole (CAS 23621-88-7)
- 5-Chlorobenzo-2,1,3-thiadiazole (CAS 2207-32-1)
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Recommended Standards
- 6-Chlorothiazolo[5,4-b]pyridine (CAS 886373-54-2)
- 5-Chloro-2-isothiocyanatopyridine (CAS 52648-23-4)
- 4-Chlorothieno[2,3-d]pyridazine (CAS 697-68-7)
- 7-Chloroisothiazolo[4,5-b]pyridine (CAS 2766230-58-2)
- 1-(Thiophen-2-ylmethyl)pyrrolidine (CAS 16087-92-6)
- 6-Chloro-2-fluoro-3-formylbenzonitrile (CAS 1446401-57-5)
- 4-bromo-1-methyl-imidazol-2-amine;hydrochloride (CAS 1632286-16-8)
- n-(4-Methoxy-2,2-dimethylbutyl)cyclopropanamine (CAS 1339480-86-2)
- 3-Iodo-7-methoxy-4H-chromen-4-one (CAS 73220-42-5)
- [(3Z)-2-Oxo-1-phenyl-2,3-dihydro-1H-indol-3-ylidene]amino 2-methylbenzoate (CAS 478261-30-2)
- 3-(4-Allyl-5-(allylthio)-4H-1,2,4-triazol-3-yl)-1-(2,4-dichlorobenzyl)pyridin-2(1H)-one (CAS 477853-07-9)
- 7-Bromo-3-(trifluoromethyl)cinnoline (CAS 1246554-91-5)
- Albuterol-D4 (CAS CATO-CCAD300666)
- Des-Pro36-Tirzepatide (CAS CATO-CPTD788937)
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